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TC Neuhs
2/10/08
Lab Section LN Group 2
Simple Harmonic Motion
Introduction
The main purpose of this lab was to observe simple harmonic motion using a mass and spring
system.
We did so in three separate stages of this experiment.
In the first part we determined the
spring constants by hanging five increasingly massive weights to three different springs and
determined there distance from the floor when their equilibrium position was achieved.
We did
this because the fore applied to the springs, the hanging mass, can be shown by the equation
F=kx
Where k is the spring constant and x is the distanced stretched.
In part two we compared the
dependence of the spring constant on the period of the motion.
We did this by applying a force
to the spring and then releasing it, observing the time for the springmass system to complete ten
periods.
By looking at the equation
T=2π
Mk
Where T is the period, M is the hanging mass and k is the spring constant, we can see that the
period of the spring depends solely on the spring constant and the hanging mass so the force that
was applied to accelerate the system is irrelevant.
In the final part we investigated the
dependence of the period on the mass for the weakest spring.
We applied the same principles
and procedures as prior in part two, however, we kept the spring constant and used increasingly
massive hanging masses.
Data Analysis
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 Spring '08
 Gallager
 Physics, Mass, Simple Harmonic Motion

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